From 04edfa90c8dcd53695229aca07ae9d369d5ea31f Mon Sep 17 00:00:00 2001
From: Santhosh Thottingal <santhosh.thottingal@gmail.com>
Date: Mon, 19 Nov 2012 12:12:25 +0530
Subject: [PATCH] Ignore control characters in typeahead

Fix https://bugzilla.wikimedia.org/show_bug.cgi?id=40171
---
 src/jquery.uls.languagefilter.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/jquery.uls.languagefilter.js b/src/jquery.uls.languagefilter.js
index d5cce84..4856b84 100644
--- a/src/jquery.uls.languagefilter.js
+++ b/src/jquery.uls.languagefilter.js
@@ -95,6 +95,11 @@
 				default:
 					var that = this;
 
+					if ( e.which < 32 ) {
+						// ignore any ASCII control characters
+						break;
+					}
+
 					this.selectedLanguage = null;
 
 					delay( function() {